Tree stand



FIG. 1 is s a front elevational view of a tree stand showing my newdesign;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view thereof.

The broken lines shown in the drawings depict portions of the tree standin which the design is embodied that form no part of the claimed design.

CLAIM The ornamental design for a tree stand, as shown and described.